 | | Book | | known in 1887 as the Yale Farm, about two miles northeast of the town of Litchfield, where a mass of white...near the Portuguese coast about 155 km north-northeast of Lisbon, is now closed and flooded, but produced...Maderanertal drainage flows west-southwest from a mountain massif to join the Reuss River at the town of Amsteg,...RHODESIA] Mwinilunga. See this entry for Rutile. Khibiny massif, Kola Peninsula. Excellent ilmenite crystals...crystals are found at several sites in the Khibiny massif. At Marchenko Peak, lustrous, flattened ilmenite |  | | Book | | to the northwest, the names K\anefjeld and Taseq Slope (Fig. 7) are equally familiar, but have not been...middle background, Kvanefjeld (left) and the Taseq Slope (right) (H. S0rensen photo). 8 '.,l l';Llli\L...pipe may be a small apophysis off a larger granite massif. An intrusion breccia, up to 75 m wide, consisting...stretched 150 m through the deposit in a southwest-northeast direction directly underneath the siderite-cryolite...Complex assemblages of gustavite - cosalite - galena and galena - matildite aikinite were found in two small |  | | Report (issue) | | quartz are the chief primary minerals of the veins. Galena is present in a few of the deposits. Gypsum occurs... Wel-formed, deep violet crystals occur at the Galena King mine. On the Bowman and Holt claims the fluorite...barite, later than the fluorite, was noted at the Galena King mine in the Manzano Mountains. Barite was...fluorspar -quartz intergrowth. GALENA Physical and Chemical Properties.—Galena is a sulfide of lead having...a precipitate in each case. Local Occurrences.—Galena is the chief ore mineral of lead deposits. It is |  | | Report (issue) | | Place Frank Earl Property Martin Place Sams Place Mt. Ararat Church Locality 7 7 9 9 10 10 10 12 12 12...narrow, irregular belt which begins on the northeast slope of Crowder's Mountain, four 1 Geologist, Tennessee...barytes to another (lenticular vein)." Associated galena and sphalerite were observed but the presence of...on the southeast side of a dirt road, 0.8 mile northeast of Mount Ararat Church and 6.2 miles ESE of Gaffney...southern portion, near GafFney, strikes are more northeast-southwest, and dips are generally southeast. The |  | | Report (volume) | | fault, which is reverse and dips steeply to the northeast. Its displacement exceeds 1,600 feet. The London...chief constituent of the veins. Pyrite, sphalerite, galena, and chalcopyrite are subordinate constituents...(7) deposition of sphalerite, chalcopyrite, and galena, in the order named, (8) deposition of gold, (9)...iron-bearing dolomite, chalcedony, sphalerite, galena, pyrite, chalcopyrite, and a "gray copper" mineral...Peerless shale member, from exposures on the northwest slope of Peerless Mountain, about 6 miles south-southwest |  | | Report (issue) | | area considered in this report lies along the northeast shore of Prince William Sound between latitude...shores adjacent to Landlocked, Boulder, Virgin, and Galena bays and the northern portion of Bligh Island (PL...territory adjacent to Landlocked, Boulder, Virgin, and Galena bays. The writers were assigned to study the area...which has an elevation of 3,946 feet. Eight miles northeast of Copper Mountain but outside the area with which...of Landlocked and Galena bays, bordering Tatitlek Narrows, and at the head of Galena Bay, where the timber |  | | Report (issue) | | group of dikes. The chief vein minerals are pyrite, galena, sphalerite, chalcopyrite, and tetrahedrite-tennantite...amounts of calcite. Native gold, argentiferous galena, and argentiferous gray copper ore have accounted...13,451 feet on Kendall Peak, 2% miles to the northeast. Within this area nearly a dozen horn-like peaks...north side of the Animas Valley. The timbered south slope of the Animas Valley is in the foreground. A4u...rhyolite and likewise include the breccias on the west slope of Kendall Mountain within the Eureka. At Kendall |  | | Journal (article/letter/editorial) | | Blue Age (Northwest) mineralized fissuresand Northeast fissureswith minor mineralization. Succeedingunmineralizedfault...fissure systemshave beenlabelledI and II. S-223: Galena from 400' level of Lexington. Associatedwith sphalerite...silver minerals in the outer zone, fissure system I. Galena from 1,000' level of Emma Mine. Associatedwith...pyrite in the outer zone, probably fissuresystemI. Galena from 2,300' level of Anselmo. Associatedwith sphaleritein...sphaleritein the outer zone, fissure system I. S-119: Galena from 3,200' level of Anselmo. Associatedwith sphalerite |  | | Book | | the Rocky Mountain Front to possibly the North Slope of Alaska. In New Mexico and Colorado, this rift...Prospect La Garita San Juan Mountains Mines Near Sawpit Mt. Sneffels-Telluride District Red Mountain District...and Montana into Canada, and goes on to the North Slope of Alaska. We call this rift system the Great American...field has 23 cinder cones. West of Albuquerque the Mt. Taylor volcanic field and a number of north-trending...conglomerate beds as thick as 2000 feet formed in the Mt. Wilson area, west of Telluride. A cluster of volcanoes |  | | Report (issue) | | of the Southern Pacific Railroad, and 20 miles northeast of the town of Lovelocks. With both of these places...formerly Spring Valley, lies a few miles to the northeast. South of Fitting, heading almost in the heart...the Star Peak Range, chiefly on its upper west slope, at elevations between 4,000 and 7,500 feet, as... 327 the Humboldt district, on the northwest slope of Star Peak.1 The Star Peak and Bueria Vista districts...Hill, Rochester district, Nev., looking east-northeast. Nenzel Hill. Under present conditions ore worth |  | | Report (issue) | | Cottonwood Deepliole (Granite Range) Donnelly Flanigan Galena Jumbo (West Comstock).. Leadville Little Valley...Lake Range ?a beyond Pyramid Lake. These ranges slope down to expansive §; playas that were once a part...mesas cover most of the terrain. In general, ^ they slope gently westward and show abrupt east bluffs, typical...gold are the principal metals found on the east slope. Corundum and 14 Mineral Resources Douglas, Onnsby...and Galena districts. Gold and silver occu*m sparingly in both localities; however, in the Galena deposit^ |  | | Report (issue) | | osquito fault ____________________________ _ Northeast-trending faults ___________________ _ Northwest-trending...___________________________ _ Pyrite-sphalerite-galena veins ________________ _ Ore bodies-----------...__________________________________ _ 13. Solid galena ______________________________________________...are pyrite, pyrrhotite, marcasite, sphalerite, galena, and chalcopyrite ; the gangue minerals are fine-grained...two types: carbonate veins and pyrite-sphalerite-galena veins. The bigh- |  | | Report (volume) | | of Paleozoic sedimentary rocks available for northeast Nevada. KING, CLARENCE. Geological exploration...hundred and sixteenth meridian. On the northwest slope of the Elko Range, about 3 or 4 miles east of Elko...and west slopes of the Pinyon Range, on the east slope of the Cortez Range, and in large areas along Maggie...shown on the geologic map (PL V) on the northwest slope of Cortez Peak. As indicated in the geologic atlas...the Maysville district and at Dean, on the north slope of the Shoshone Range, granodiorite porphyries cut |  | | Journal (article/letter/editorial) | | of sulphides such as chalcoyprite, pyrite, 142 galena, sphalerite, and bornite. Limonite, smithsonite...filled with water, this is located on the northeast slope of Bald Hill. It is in the dump here that the |  | | Report (volume) | | ........................... Minor element's in galena and sphalerite from the Silver Cliff-Rosita mining...also examined for the potential silver content of galena and sphalerite, and an explanation is offered for...accompanied by silver halides. The silver content of galena and sphalerite from the fissure veins was found...base-metal fissure veins, tiny cleavage blocks of galena and transparent cleavage fragments of sphalerite...Jniried rhyolite dome located a short distance northeast of Ben West Hill. This concept is important to |  | | Report (issue) | | Belt, which actually consists of two parallel northeast-southwest trending belts, one lying across the...and metamorphic group, metavolcanic rocks of the Mt. Rogers group, metasedimentary rocks of the Brevard... 9.1267 1 Copper deposits occur in three northeast-southwest trending zones 2 1. 3 Haywood, Clay...*=/ This is the most northerly of a southwest-northeast trending 5- group of mines opened on a 3 mile... location: Gold Mecklenburg County, 6 miles northeast of Charlotte and miles southeast of Derita. |  | | Book (volume) | | in Anjou) are in the Massif Central or the contiguous French Pyrenees. The Massif-Central-Pyrenees deposits...the deposits of the Massif Central are preceded by general remarks about the Massif as a unit. The designations...designations of the locations of the deposits in the Massif are by the names of the ancient provinces in which...Panasqueira was 3 per cent of the world total or 1360 mt of contained tungsten. As Kelly and Rye (1979) point...cubanite and little stars of sphalerite. Where galena is unusually abundant, it is associated with native |  | | Report (volume) | | River extend around the base of the steep mountain slope. Part of the town is built on piling over the tidal...The town of Stewart lies about 2 miles to the northeast, on the British Columbia side of the boundary...three-fifths of a mile wide and has an average slope of about 31 feet to the mile. In this stretch the...Between the altitudes of 1,450 and 1,000 feet the slope is much steeper. At 1,000 feet there are benches...steep snow-filled gulch which opens on the lower slope of Thumb Glacier. From this point it is possible |  | | Book | | the general geological features of the eastern slope of these mountains and their attendant foothills...of South Park, and thence across to the western slope, we shall find much the same features repeated,...chlorine, forming sulphides, (ex. gr. iron pyrites or galena,) or chlorides, such as horn silver; with oxygen...pyrites, or limestone containing silver-bearing galena. Ores are found in surface deposits, such as gold...California lie for many square miles on the Pacific slope of the Sierra Nevada. They are called “blue gravels |  | | Report (issue) | | ___ . _. _. __ .. _. ___ . __ ..... __ . _.... __ Galena ......... ---· ...... ____ ........... --- ......size: A, Browns Gulch near Cashier mine; B, East slope of Brewery Hill.. __ ............ _. __ . ___ ....monzonite porphyry, east slope of Brewery Hill; C, Quartz monzonite porphyry, slope east of Hoosier Pass...(intermediate variety), east slope of Mount Guyot; B, Quartz monzonite porphyry, slope east of Hoosier Pass;...rocks: A, Garnet-epidote rock with sulphides, south slope of Gibson Hill; B, Ore, Fox Lake tunnel, west base |  | | Report (volume) | | and Republic, Wash., are respectively 45 miles northeast, 40 miles north j and 12 miles north. (See fig...elevation of the surface rises gradually to the northeast. The shortest way of approach, from the south...crests descend gradually until cut off by the abrupt slope above Columbia River. The Sanpoil Range attains...The east slope of the Nespelem Range is likewise buttressed by heavy spurs, but its west slope has a comparatively...and Omak Creek. Others extending northwest and northeast form, respectively, the divides north of Omak |  | | Report (issue) | | composition of Nanushuk Group sandstones at Slope Mountain, North Slope, Alaska By Mark J. Johnsson and Nikolas...within sandstones of the Nanushuk Group in the North Slope (Johnsson and Sokol). Studying the variations in... IAS ATKA 174° MT. ER EATH FAIRW WAY SKAG 140° 176° 176° T YAKUTA . EL MT. ST A 138° 174°...CHARLEY Circle BLACK RIVER COLEEN TABLE MTN. MT. HAYES BIG DELTA Fairbanks ST Y HW SECIRCLE EE... KENAI TYONEK TALKEETNA MT. McKINLEY 152° AFOGNAK KODIAK 154° MT. KATMAI k CHANDALAR Muhs |  | Miller, Marti L., Tucker, Robert D., Layer, Paul W., Bundtzen, Thomas K. (2000) Isotopic ages from intrusive rocks near the Stuyahok gold placer deposits, south-central Holy Cross quadrangle, Alaska: A section in Geologic studies in Alaska by the U.S. Geological Survey, 1998. Professional Paper Vol. 1615. US Geological Survey doi:10.3133/70180437 | Report (volume) | | composition of Nanushuk Group sandstones at Slope Mountain, North Slope, Alaska By Mark J. Johnsson and Nikolas...within sandstones of the Nanushuk Group in the North Slope (Johnsson and Sokol). Studying the variations in... IAS ATKA 174° MT. ER EATH FAIRW WAY SKAG 140° 176° 176° T YAKUTA . EL MT. ST A 138° 174°...CHARLEY Circle BLACK RIVER COLEEN TABLE MTN. MT. HAYES BIG DELTA Fairbanks ST Y HW SECIRCLE EE... KENAI TYONEK TALKEETNA MT. McKINLEY 152° AFOGNAK KODIAK 154° MT. KATMAI k CHANDALAR Muhs | | Bradley, Dwight C., Parrish, Randall, Clendenen, William, Lux, Daniel R., Layer, Paul W., Heizler, Matthew, Donley, D. Thomas (2000) New geochronological evidence for the timing of early Tertiary ridge subduction in southern Alaska: A section in Geologic studies in Alaska by the U.S. Geological Survey, 1998. Professional Paper Vol. 1615. US Geological Survey doi:10.3133/70180636 | Report (volume) | | composition of Nanushuk Group sandstones at Slope Mountain, North Slope, Alaska By Mark J. Johnsson and Nikolas...within sandstones of the Nanushuk Group in the North Slope (Johnsson and Sokol). Studying the variations in... IAS ATKA 174° MT. ER EATH FAIRW WAY SKAG 140° 176° 176° T YAKUTA . EL MT. ST A 138° 174°...CHARLEY Circle BLACK RIVER COLEEN TABLE MTN. MT. HAYES BIG DELTA Fairbanks ST Y HW SECIRCLE EE... KENAI TYONEK TALKEETNA MT. McKINLEY 152° AFOGNAK KODIAK 154° MT. KATMAI k CHANDALAR Muhs | | Farmer, G. Lang, Goldfarb, Richard J., Lilly, Michael R., Bolton, Bob, Meier, Allen L., Sanzolone, Richard F. (2000) The chemical characteristics of ground water near Fairbanks, Alaska: A section in Geologic studies in Alaska by the U.S. Geological Survey, 1998. Professional Paper Vol. 1615. US Geological Survey doi:10.3133/70180667 | Report (volume) | | composition of Nanushuk Group sandstones at Slope Mountain, North Slope, Alaska By Mark J. Johnsson and Nikolas...within sandstones of the Nanushuk Group in the North Slope (Johnsson and Sokol). Studying the variations in... IAS ATKA 174° MT. ER EATH FAIRW WAY SKAG 140° 176° 176° T YAKUTA . EL MT. ST A 138° 174°...CHARLEY Circle BLACK RIVER COLEEN TABLE MTN. MT. HAYES BIG DELTA Fairbanks ST Y HW SECIRCLE EE... KENAI TYONEK TALKEETNA MT. McKINLEY 152° AFOGNAK KODIAK 154° MT. KATMAI k CHANDALAR Muhs |
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